Finding the Fourth Proportional to 57,490,877.34, 79,337,007.12 and 31,385,395.18
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Solution
The fourth proportional to 57,490,877.34, 79,337,007.12 and 31,385,395.18 is: 43,311,625.01
Step by Step Solution
- Step 1: Write the proportion equation
57,490,877.34 : 79,337,007.12 = 31,385,395.18 : x - Step 2: Convert to fraction form
57,490,877.34/79,337,007.12 = 31,385,395.18/x - Step 3: Cross multiply
57,490,877.34x = 79,337,007.12 × 31,385,395.18 - Step 4: Simplify right side
57,490,877.34x = 2,490,023,320,859,674 - Step 5: Solve for x
x = 2,490,023,320,859,674/57,490,877.34 - Step 6: Final answer
x = 43,311,625.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.